Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Help your child learn about animal classification with this fun and delicious activity.